Home / 7,383,322.48-10,187,766.84-4,120,129.42

Finding the Fourth Proportional to 7,383,322.48, 10,187,766.84 and 4,120,129.42

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Solution

The fourth proportional to 7,383,322.48, 10,187,766.84 and 4,120,129.42 is: 5,685,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383,322.48 : 10,187,766.84 = 4,120,129.42 : x
  2. Step 2: Convert to fraction form
    7,383,322.48/10,187,766.84 = 4,120,129.42/x
  3. Step 3: Cross multiply
    7,383,322.48x = 10,187,766.84 × 4,120,129.42
  4. Step 4: Simplify right side
    7,383,322.48x = 41,974,917,881,584.43
  5. Step 5: Solve for x
    x = 41,974,917,881,584.43/7,383,322.48
  6. Step 6: Final answer
    x = 5,685,098.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.